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Message: <blockquote data-quote="6brnorma" data-source="post: 45071" data-attributes="member: 5914"><p>I've been reading every post here for the last week regarding 600/610s until my eyes are bleeding and have noticed a consistent pattern of sage advice from 'machinist' 'tazza' 'jerry' and 'm610' (and probably others) regarding these machines, so listen to them. A couple quick items I've never noticed here that helps me on variable speed removal that I've not seen and might help. I always start the procedure by prying open the "driven sheave" (the other sheave) with a large pry bar. I then drop a 'handy dandy', ratty ole 11/16 socket down inside the driven sheave to hold it open and release the pressure from the drive belt...this allows you to work on the 'variable sheave' MUCH easier. Under no circumstances use any type of pressure on the rim of the variable sheave to remove it (puller, wedge, hammer) or you will very likely be purchasing a $600.00 item. Place two 1/4 inch bolts (as I recall) in the holes in the splined shaft, put bearing splitter behind the bolts and attach a bar puller to remove. Heat, smack the pressure screw or rubber mallet on the splined shaft are ok on stubborn sheaves but don't pry between motor block and sheave. (Learned the hard way <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile    :)" loading="lazy" data-shortname=":)" />) Couple words of warning; 1) When prying open the driven sheave.....don't pull the pry bar towards your face. 2) If you value your digits.....keep them out of that driven sheave at all times. 3) Don't forget to remove valuable, handy dandy, ratty ole 11/16 socket prior to starting new engine.......hesitant to tell you how I learned those three <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile    :)" loading="lazy" data-shortname=":)" /></p></blockquote><p></p>

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